The White Sox ALTERNATE DIAMOND-TECH BP Hat by New Era is Made of 100% Woven Polyester Batting Practice Cap worn during Spring training. This 'ALTERNATE DIAMOND-TECH BP' has embroidered Alternate team logo on front with small MLB logo on back, white front panels with navy blue middle and back panels and red visor, black undervisor, 59FIFTY infused with the latest NE TECH materials to keep players cool and dry on the field of play. Made with a new state-of-the art performance diamond print fabric, the first-class Diamond Era 59FIFTY is lighter for increased breathability. The premier cap also features SOLARERA™, 50+ UV protection that helps deflect the sun's unforgiving rays and COOLERA™ technology that wicks away sweat to keep players comfortable and dry, allowing them to focus on optimal performance. Performance Sweatband.The ALTERNATE DIAMOND-TECH BPs are authentic Chicago White Sox baseball caps made by New Era for official MLB - Major League Baseball teams.